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Port matching
- Subject: Port matching
- From: fahrvegnugen at cox.net (David Utley)
- Date: Thu Sep 23 09:16:29 2004
>
> From: Mark <mardak@cogeco.ca>
> Date: 2004/09/22 Wed PM 11:39:27 EDT
> To: Scourge <scourge@cogeco.ca>
> CC: Rocco list <scirocco-l@scirocco.org>
> Subject: Re: Port matching
When you
> line the gasket up, everything has a bit of play in it, so what I did
> was removed a bit more on the intake ports of the head, and also the
> exhaust manifold holes. Some people actually recommend bigger exhaust
> manifold holes to create a "reversion dam"... There is debate about
> whether or not it's a good idea, but with this less than perfect method
> of determining how much metal to remove you're better off with a step
> that opens up with the airflow instead jutting out into the airflow...
> When you have removed the metal to the scribed lines "blend" it in to
> the ports over about one to two inches.
Mark,
When I tried to match-port my exhaust mani., I found it way too hard to grind that down without taking tons of time... I was using a pneumatic die grinder... What did you do that I did not? Was your mani new?
Just curious,
David
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